Capturing hand motion
US7257255B2 · kind B2 · utility
28Cited by
96References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 2001 |
| Grant date | Aug 14, 2007 |
| Priority date | — |
| Expiry date | Oct 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A portable electronic device, a digital camera associated with the portable electronic device, and software configured to run on the portable electronic device and to derive handwriting and control information from hand motion of a writing instrument in the vicinity of the digital camera.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.